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Filtering by: Has journal Plant, Cell & Environment Creator Jenkins, Michael B. Degree Field Microbiology

Delineation of the composition of an indigenous soil population of Rhizobium meliloti in root nodules of uninoculated field grown Medicago sativa L.

Creator:

Jenkins, Michael B.

Abstract:

Agronomic and microbiological studies were conducted on "Anchor" alfalfa (Medicago sativa L.) established from uninoculated seed on three Aridisols in central Oregon. Significant responses to 230 Kg N per ha (NH₄NO₃), which was applied in mid-April and after each first and second harvests, were observed in yield parameters of the...

Resource Type:

Dissertation

Full Text:

nodule numbers declined from 66 to 11 per plant between the first and third harvests. All isolates
The effects of commercial rhizobium inoculants on the establishment of Trifolium subterraneum in southwest Oregon soils

Creator:

Jenkins, Michael B.

Abstract:

Commercial inoculant products for subclover that are marketed in the Pacific Northwest were evaluated in field trials (supplemented by appropriate laboratory analysis) at four sites in southwest Oregon. The materials tested were Nitragin (Milwaukee, WI) and Northrup-King (Minneapolis, MN) peat-based inocula, and Celpril (Manteca, CA) inoculated, lime-pelleted subclover seed. Duplicate...

Resource Type:

Masters Thesis

Full Text:

seed/ha. (duplicate plots) and subclover variety Mt. Baker was used for all field trials. In plant